We will muddle through and just play it day by day.我们会应付过关的，就一天一天地演吧。I live for the moment, day by day, not for the past.我活在当下，过一天算一天，而不是活在过去。Day by day I am getting better and better.我在一天天地好转。...
钙通过尿液和粪便排出体外。Calcium is excreted in the urine and stools.幼虫会连同粪便排出.The larvae may be excreted in the faeces.粪便含氮，而正是氮可以肥化荒芜的土地。The faeces contain nitrogen and it is that which fertilises the desert soil....